Elastic-fluid turbine or turbine-driven unit



C. STEENSTRUP.

ELASTIC FLUID TURBINE 0R TURBINE DRIVEN UNIT.

APPLICATION FILED JULY 3, I920.

Patented May 23, 1922.

UNITE AlES Parent opener...

ELECTRIC COMPANY. A CORPORATION OF NEW YORK.

ELASTIC-FLUID TURBINE OR TURBINE-DRIVEN UNIT.

Application filed July 3, 1920.

T 0 all 1071 am it may concern I Be it known that I. CHRISTIAN STREN-STRUP, a citizen of the United States. residing at Schenectady, in thecounty of Schenectady, State of New York, have invented certain new anduseful Improvements in Elastic-Fluid Turbines or Turbine-Driven Units,of which the following is a specifica tion.

The present invention relates to elastic fluid turbines or turbinedriven units and has for its object to provide an improved structure andarrangement for supporting such machines whereby while rigidly held inalignment they are at the same time free to expand and contract axiallyin response to temperature changes.

For a consideration of what I believe to be novel and my invention,attention is directed to the accompanying description and the claimsappended thereto.

In the drawing, the figure is a side elevation of a turbine driven unitembodying my invention, the drawing being of a diagrammatic nature.

In the present instance, I have shown my invention in connection with aunit comprising an elastic fluid turbine 5 which may be of the radialflow type and may have two oppositely rotating rotors driving respectively driven machines 6 and 7 for ex ample, electric generators. Theexhaust conduit of the turbine is indicated at 8 and it has a flange 9which may be bolted directly to the inlet conduit of a condenser.

Now, according to my invention, I support the turbine by means of linksand levers in such manner that while it is held from lateral movementand kept axially aligned it is at the same time free .to expand andcontract axially and also radially. To this end, I support the unit bymeans of levers 10 and 10 which at one end are pivotally connected tothe unit directly as indicated at 11 and 11, and at the other end arepivotally connected thereto through the intermediary of links 12 and 12.The direct connection 11 and 11 are preferably next adjacent the centerof the unit and the casing of the unit may be provided with suitableears or lugs 13 and 13 to which the levers are pivoted.

The link connections are preferably adjacent the ends of the unit, thecasing being provided with ears or lugs 14 and l t to which the upperends of the links are ivot- Specification of Letters Patent.

llatcnted May 723., 1922. Serial.No. 393,932.

ally connected. Levers 10 and 10 are directly below the unit and theremay be lugs 13 and 13 and links 12 and 12 on each side of the levers soas to provide a symmetrical support for the unit. One of the levers, aslever 10, is pivotally supported directly on an arm 15 carried by a bedplate 16; the other lever, as the lever 10, ispivotally supportedbetween its ends by bed plate 16 through the intermediary of a link 17.Bed plate 16 is shown as being mounted on a foundation 18. i

)Vith the above described arrangement it will be clear that the lever 10holds the unit from axial movement as a whole relatively to bed plate16, but the links and levers per mit the unit to expand and contractaxially due to temperature changes, the expansion taking place in eachdirection from the pivot point 11. The unit is also free to expand andcontract radially.

In accordance with the provisions of the patent statutes, I havedescribed the prin ciple of operation of my invention, together with theapparatus which I now consider to represent the best embodiment thereof,but I deslre to have it understood that the apparatus shown is onlyillustrative and that the invention may be carried out by other means.

What I claim as new and desire to secure by Letters Patent of the UnitedStates, is

1. In combination, a unit which when in operation is subject to changesin temperature, a bed, and means comprising axially extending leverswhich support the unit on the bed, said means permitting the unit toexpand axially due to temperature changes.

2. In combination, a unit which when in operation is subject to changesin temperature, a bed. and means comprising axially extending levers andlinks which support the unit on the bed, said means permitting the unitto expand axially due to temperature changes. I

3. In combination, a unit which is subjected to temperature changes, abed, and means supporting the unit on the bed comprising an axiallyextending lever pivoted intermediate between its ends on the bed,

the ends of the lever being pivoted to the tract axially, said meanscomprising levers which are pivotally connected at their two ends to theunit, one of said levers being pivotally supported between its endsdirectly by the bed, and a link pivotally connected at one end betweenthe ends of another lever and pivotally connected at its other end tothe bed.

5. In combination, a unit which when in operation is subject to changesin temperature, a bed, and means supporting the unit on the bed so theunit may expand and contract axially, said means comprising two levermembers each pivoted at one end adjacent the center of the unit andextending 15 toward an end thereof, links pivotally connecting the otherends of said lever members to the unit, means pivotally supporting oneof said lever members directly on the bed and forming a fulcrum for it,and a link through which the other lever member is pivotally supportedon the bed.

In Witness whereof, I have hereunto set my hand this first day of July,1920.

CHRISTIAN STEENSTRUP.

